CN218234055U

CN218234055U - Novel siphon rainwater hopper

Info

Publication number: CN218234055U
Application number: CN202222196014.8U
Authority: CN
Inventors: 黄城
Original assignee: Zhejiang Sanshui Pipeline Co ltd
Current assignee: Zhejiang Sanshui Pipeline Co ltd
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2023-01-06
Anticipated expiration: 2032-08-19

Abstract

A novel siphon rainwater hopper comprises a rainwater hopper body, a flow guide cover and a rainwater hopper tail pipe; a first annular side plate is fixed on the air guide sleeve, a first annular connecting plate is arranged on the first annular side plate, first threaded through holes are formed in the first annular side plate and the first annular connecting plate, and inserting holes and fixing holes are further formed in the first annular side plate; be fixed with second annular sideboard on the rainwater fill body, threaded counter bore has been seted up on the second annular sideboard, wear to be equipped with first fastening bolt in first screw thread through-hole and the threaded counter bore, be fixed with second annular connecting plate on the second annular sideboard, the slide opening has been seted up on the second annular connecting plate, the spout has been seted up to the slide opening, be equipped with the inserted bar in the slide opening, the connecting hole has been seted up on the inserted bar, wear to be equipped with second fastening bolt in fixed orifices and the connecting hole, be connected with the spring between the inner diapire of inserted bar and slide opening, be fixed with the slider on the inserted bar. The utility model discloses can promote connection stability and leakproofness between kuppe and the rainwater fill body.

Description

Novel siphon rainwater hopper

Technical Field

The utility model relates to a rainwater fill technical field specifically is a novel hydrocone type rainwater fill.

Background

The roof drainage system of the existing large building generally adopts a drainage mode combining a rainwater hopper and a hanging drainage pipe, when water enters the drainage pipe, the rainwater hopper easily generates a phenomenon of mixed flow of water and air, sundries also easily enter the drainage pipe, the water flow speed is influenced, and the rainwater is inconvenient to drain rapidly, so that the number of the rainwater hoppers needs to be increased, and the building cost is increased. At present, siphonic rainwater fill has appeared, has solved above-mentioned problem to a certain extent, but, when connecting between the kuppe of siphonic rainwater fill and the rainwater fill body, the bad condition of sealing appears easily to influence the siphon effect of rainwater fill, and then cause the drainage not smooth, influence the result of use.

Chinese patent with grant publication number CN211736080U discloses a novel siphon rainwater hopper, including the rainwater hopper body, rainwater hopper body top is equipped with the kuppe, be equipped with waterproof sealing gasket between rainwater hopper body and the kuppe, the lower border of kuppe outwards extends and forms the clamp plate, the last border of rainwater hopper body outwards extends and forms the fixed plate, fixed plate top both sides all are equipped with spacing hole, spacing hole one side is equipped with the mounting groove, the baffle is installed in the mounting groove outside, run through on the baffle and be provided with the pull rod, the handle is installed to the one end that the pull rod is located outside the mounting groove, the limiting plate is installed to the one end that the pull rod is located the mounting groove, easy dismounting, can seal the junction of rainwater hopper body and kuppe through waterproof sealing gasket, guarantee the siphon effect of rainwater hopper, the smooth and easy drainage of rainwater has been strengthened.

However, in the utility model discloses an in, the junction of rainwater fill body and kuppe only leans on the dead lever to insert the fixed slot to the mode that keeps the position of dead lever with the spring is connected, and connected mode is stable inadequately, leads to the leakproofness of the junction of rainwater fill body and kuppe to receive the influence.

Therefore, the utility model provides a technical scheme solves foretell rainwater fill body and kuppe and is connected not stable enough problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a novel hydrocone type rainwater fill aims at reaching the technological effect who promotes the stable in connection of rainwater fill body and kuppe.

A novel siphon rainwater hopper comprises a rainwater hopper body, a flow guide cover and a rainwater hopper tail pipe, wherein a rectifier baffle is arranged in the rainwater hopper body, the rainwater hopper tail pipe is communicated with the bottom of the rainwater hopper body, and the flow guide cover is buckled at the top end of the rainwater hopper body;

a first annular side plate is fixed at the edge position of the bottom end of the air guide sleeve, a first annular connecting plate is fixed at the inner side of the bottom end of the first annular side plate, the first annular connecting plate is flush with the inner side wall of the first annular side plate, first threaded through holes are longitudinally formed in the first annular side plate and the first annular connecting plate in a penetrating mode, an insertion hole and a fixing hole are formed in one end, deviating from the first threaded through hole, of the first annular side plate, the insertion hole longitudinally penetrates through the first annular side plate, the fixing hole is communicated with the insertion hole, and the axes of the fixing hole and the insertion hole are perpendicular to each other;

a second annular side plate is fixed at the edge position of the top end of the rainwater hopper body, the second annular side plate is flush with the inner side wall of the first annular connecting plate, the top end of the second annular side plate is attached to the bottom end of the first annular connecting plate, a threaded counter bore corresponding to the position of the first threaded through hole is formed in the top end of the second annular side plate, a first fastening bolt penetrates through the first threaded through hole and the threaded counter bore, a second annular connecting plate is fixed at the outer side of the top end of the second annular side plate, the second annular connecting plate is flush with the outer side wall of the first annular side plate, the inner side wall of the second annular connecting plate is attached to the outer side wall of the first annular connecting plate, the top of second annular connecting plate and the bottom laminating of first annular sideboard, the slide opening that corresponds with the jack position is seted up on the top of second annular connecting plate, has seted up the outside spout that accesss to second annular connecting plate on the pore wall of slide opening, sliding connection has the inserted bar in the slide opening, the top of inserted bar is inserted in the jack and is seted up the connecting hole that corresponds with the fixed orifices position, wear to be equipped with second fastening bolt in fixed orifices and the connecting hole, fixedly connected with spring between the bottom of inserted bar and the inner diapire of slide opening, the spring is in by tensile state, be fixed with the slider that removes along the spout on the lateral wall of inserted bar, the second annular connecting plate is worn out through the spout to the one end of slider.

By adopting the technical scheme, when the air guide sleeve is required to be installed at the top end of the rainwater hopper body, the first threaded through hole is aligned with the threaded counter bore, the jack is aligned with the sliding hole, and then the air guide sleeve is moved downwards to insert the first annular connecting plate into the inner side of the second annular connecting plate. When the kuppe can't continue to move down, the top of second annular sideboard is laminated with the bottom of first annular connecting plate, and the inside wall of second annular connecting plate is laminated with the lateral wall of first annular connecting plate, and the top of second annular connecting plate is laminated with the bottom of first annular sideboard to promote the leakproofness between kuppe and the rainwater fill body. And then, penetrating a first fastening bolt into the first threaded through hole and the threaded counter bore, and fixing the first annular side plate and the second annular side plate together. Then, the sliding block slides upwards along the sliding groove, the sliding block drives the inserted bar fixedly connected with the sliding block to move upwards, the top end of the inserted bar is gradually inserted into the inserting hole, and meanwhile, the spring is stretched to form downward rebound force. When the top cell wall contact of slider and spout, the unable rebound that continues of slider, at this moment, the position of connecting hole just corresponds with the position of fixed orifices, penetrate fixed orifices and connecting hole with second fastening bolt, thereby with inserted bar and first annular sideboard fixed connection, under the effect of the rebound force of spring, make the inserted bar keep having the trend of lapse, the inserted bar drives first annular sideboard and keeps having the trend of pushing down, guarantee that the bottom of first annular sideboard laminates closely on the top of second annular connecting plate, the bottom of first annular connecting plate laminates closely on the top of second annular sideboard, thereby further promote stability of being connected and the leakproofness between kuppe and the rainwater fill body. Similarly, when the air guide sleeve needs to be disassembled, the first fastening bolt is firstly screwed off, the second fastening bolt is screwed off, and the inserted rod automatically moves downwards under the action of the rebounding force of the spring and retracts into the sliding hole. The utility model discloses can promote connection stability and leakproofness between kuppe and the rainwater fill body.

The utility model discloses a further setting: the bottom of first annular connecting plate has seted up the spacing groove, first screw thread through-hole communicates with each other with the spacing groove, the top of second annular sideboard is fixed with the gag lever post that is used for inserting the spacing groove, vertically run through on the gag lever post and set up the second screw thread through-hole that corresponds with screw thread counter bore position, first fastening bolt passes first screw thread through-hole and second screw thread through-hole in proper order and inserts in the screw thread counter bore.

Through adopting above-mentioned technical scheme, when inserting first annular connecting plate inboard second annular connecting plate, aim at the gag lever post with the spacing groove, can fix a position the position of first screw through-hole and jack fast, aim at first screw through-hole and screw thread counter bore more fast, aim at jack and slide opening more fast. And the gag lever post inserts the spacing inslot, has further promoted the stability of being connected between first annular connecting plate and the second annular sideboard to further promote the stability of being connected between kuppe and the rainwater fill body.

The utility model discloses a further set up: a first sealing gasket is arranged between the bottom end of the first annular side plate and the top end of the second annular connecting plate, and a first through hole through which the inserting rod can penetrate is formed in the first sealing gasket.

Through adopting above-mentioned technical scheme, the setting up of first sealed pad has promoted the leakproofness between first annular sideboard and the second annular connecting plate to further promote the leakproofness between kuppe and the rainwater fill body.

The utility model discloses a further setting: and a second sealing gasket is arranged between the top end of the second annular side plate and the bottom end of the first connecting plate, and a second through hole for the limiting rod to pass through is formed in the second sealing gasket.

Through adopting above-mentioned technical scheme, the sealed setting up of filling up of second has promoted the leakproofness between first annular connecting plate and the second annular sideboard to further promote the leakproofness between kuppe and the rainwater fill body.

The utility model discloses a further setting: the outside cover of spring is equipped with the stop collar, the stop collar includes inner tube and outer tube, the top of inner tube and the bottom fixed connection of inserted bar, the bottom of inner tube is inserted in the outer tube and is slided in the outer tube, the bottom of outer tube and the interior diapire fixed connection of slide opening.

Through adopting above-mentioned technical scheme, the spring is when flexible, and the inner tube removes in the outer tube, and the stop collar is established all the time and is established in the spring outside, can avoid the spring to produce the slope on the one hand and buckle, and on the other hand can avoid external rainwater to cause the influence to the spring.

The utility model discloses a further setting: the spring is made of stainless steel materials.

Through adopting above-mentioned technical scheme, stainless steel material has excellent corrosion resistance, can prevent that the spring from being corroded by the rainwater, prolongs the life of spring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. a novel siphon rainwater hopper can improve the connection stability and the sealing performance between a flow guide cover and a rainwater hopper body.

2. The limiting rod is inserted into the limiting groove, the position of the first threaded through hole and the position of the jack can be quickly positioned, the first threaded through hole and the threaded counter bore are quickly aligned, and the jack and the sliding hole are quickly aligned. And the connection stability between the first annular connecting plate and the second annular side plate is further improved, so that the connection stability between the flow guide cover and the rainwater hopper body is further improved.

3. The sealing performance between the first annular side plate and the second annular connecting plate is improved by the arrangement of the first sealing gasket, so that the sealing performance between the air guide sleeve and the rainwater hopper body is further improved.

4. The sealing performance between the first annular connecting plate and the second annular side plate is improved due to the arrangement of the second sealing gasket, so that the sealing performance between the flow guide cover and the rainwater hopper body is further improved.

Drawings

Fig. 1 is a sectional view of a novel siphon rainwater hopper of the present invention;

fig. 2 is an enlarged view of a point a in fig. 1.

Reference numerals: 1. a rainwater hopper body; 2. a dome; 3. a rainwater hopper tail pipe; 4. a first annular edge plate; 5. a first annular connecting plate; 6. a first threaded through hole; 7. a jack; 8. a fixing hole; 9. a second annular side plate; 10. a threaded counter bore; 11. a first fastening bolt; 12. a second annular connecting plate; 13. a slide hole; 14. a chute; 15. inserting a rod; 16. connecting holes; 17. a second fastening bolt; 18. a spring; 19. a slider; 20. a limiting groove; 21. a limiting rod; 22. a second threaded through hole; 23. a first seal gasket; 24. a first through hole; 25. a second gasket; 26. a second through hole; 27. a limiting sleeve; 28. an inner tube; 29. an outer tube; 30. a rectifier baffle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

A novel siphon rainwater hopper is shown in figures 1 and 2 and comprises a rainwater hopper body 1, a flow guide cover 2 and a rainwater hopper tail pipe 3, wherein a rectifier baffle 30 is arranged in the rainwater hopper body 1, the rainwater hopper tail pipe 3 is communicated with the bottom of the rainwater hopper body 1, and the flow guide cover 2 is buckled on the top end of the rainwater hopper body 1.

The bottom edge of the air guide sleeve 2 is fixed with a first annular side plate 4. A first annular connecting plate 5 is fixed on the inner side of the bottom end of the first annular side plate 4. The first annular connecting plate 5 is flush with the inner side wall of the first annular side plate 4. First annular sideboard 4 and first annular connecting plate 5 are last vertically to run through and to have seted up first screw through hole 6. The bottom end of the first annular connecting plate 5 is provided with a limiting groove 20, and the first threaded through hole 6 is communicated with the limiting groove 20. One end of the first annular side plate 4 deviating from the first threaded through hole 6 is provided with a jack 7 and a fixing hole 8. The receptacle 7 extends longitudinally through the first annular edge panel 4. The fixing holes 8 are communicated with the insertion holes 7 and the axes thereof are perpendicular to each other.

A second annular side plate 9 is fixed at the edge position of the top end of the rainwater hopper body 1. The second annular side plate 9 is flush with the inner side wall of the first annular connecting plate 5. The top of second annular sideboard 9 and the bottom laminating of first annular connecting plate 5, and be provided with second sealed the pad 25 between it, second through-hole 26 has been seted up on the second sealed pad 25. The top end of the second annular side plate 9 is provided with a threaded counter bore 10 corresponding to the first threaded through hole 6. The top end of the second annular side plate 9 is also fixed with a limit rod 21 for inserting the limit groove 20. The second sealing gasket 25 is sleeved outside the limiting rod 21 through the second through hole 26. A second threaded through hole 22 corresponding to the threaded counter bore 10 is longitudinally formed in the limiting rod 21 in a penetrating manner. The first threaded through hole 6, the second threaded through hole 22 and the threaded counter bore 10 are provided with a first fastening bolt 11.

A second annular connecting plate 12 is fixed on the outer side of the top end of the second annular side plate 9. The second annular connecting plate 12 is flush with the outer side wall of the first annular side plate 4. The inner side wall of the second annular connecting plate 12 is attached to the outer side wall of the first annular connecting plate 5. The top of second annular connecting plate 12 and the bottom laminating of first annular sideboard 4, and be provided with first sealed pad 23 between it, seted up first through-hole 24 on the first sealed pad 23. The top end of the second annular connecting plate 12 is provided with a sliding hole 13 corresponding to the position of the jack 7. The hole wall of the sliding hole 13 is provided with a sliding groove 14 leading to the outside of the second annular connecting plate 12. An inserting rod 15 is slidably connected in the sliding hole 13, and the top end of the inserting rod 15 penetrates through the first through hole 24, is inserted into the inserting hole 7 and is provided with a connecting hole 16 corresponding to the fixing hole 8 in position. The fixing hole 8 and the connecting hole 16 are provided with a second fastening bolt 17. A spring 18 is fixedly connected between the bottom end of the plunger 15 and the inner bottom wall of the slide hole 13, and the spring 18 is in a stretched state. A slide block 19 moving along the slide groove 14 is fixed on the outer side wall of the insert rod 15, and one end of the slide block 19 penetrates through the second annular connecting plate 12 through the slide groove 14.

Additionally, a stop sleeve 27 is sleeved outside the spring 18, the stop sleeve 27 comprises an inner tube 28 and an outer tube 29, the top end of the inner tube 28 is fixedly connected with the bottom end of the inserted rod 15, the bottom end of the inner tube 28 is inserted into the outer tube 29 and slides in the outer tube 29, and the bottom end of the outer tube 29 is fixedly connected with the inner bottom wall of the sliding hole 13. When the spring 18 is stretched, the inner tube 28 moves in the outer tube 29, the limiting sleeve 27 is always sleeved outside the spring 18, so that the spring 18 can be prevented from being bent obliquely on one hand, and the influence of external rainwater on the spring 18 can be avoided on the other hand.

The spring 18 is made of stainless steel. The stainless steel material has excellent corrosion resistance, can prevent the spring 18 from being corroded by rainwater, and prolongs the service life of the spring 18.

The working principle is as follows: when the air guide sleeve 2 needs to be installed at the top end of the rainwater hopper body 1, the limiting groove 20 is aligned to the limiting rod 21, the positions of the first threaded through hole 6 and the jack 7 can be quickly positioned, the first threaded through hole 6 and the threaded counter bore 10 are more quickly aligned, and the jack 7 and the slide hole 13 are more quickly aligned. Then the air guide sleeve 2 is moved downwards to insert the first annular connecting plate 5 into the inner side of the second annular connecting plate 12, and the limiting rod 21 is inserted into the limiting groove 20. When the fairing 2 cannot move downwards continuously, the limiting rod 21 is just inserted into the limiting groove 20 completely, the top end of the second annular side plate 9 is attached to the bottom end of the first annular connecting plate 5, the inner side wall of the second annular connecting plate 12 is attached to the outer side wall of the first annular connecting plate 5, and the top end of the second annular connecting plate 12 is attached to the bottom end of the first annular side plate 4, so that the sealing performance between the fairing 2 and the rainwater hopper body 1 is improved. And the gag lever post 21 inserts in spacing groove 20, has promoted the stability of being connected between first annular connecting plate 5 and the second annular sideboard 9 to promote the stability of being connected between kuppe 2 and the rainwater fill body 1. Meanwhile, the arrangement of the first sealing gasket 23 improves the sealing performance between the first annular side plate 4 and the second annular connecting plate 12, so that the sealing performance between the air guide sleeve 2 and the rainwater hopper body 1 is further improved. The arrangement of the second sealing gasket 25 improves the sealing performance between the first annular connecting plate 5 and the second annular side plate 9, so as to further improve the sealing performance between the air guide sleeve 2 and the rainwater hopper body 1.

The first fastening bolt 11 is then inserted through the first threaded through hole 6 and the second threaded through hole 22 in order into the threaded counterbore 10, securing the first annular side plate 4 and the second annular side plate 9 together. Then, the sliding block 19 slides upwards along the sliding groove 14, the sliding block 19 drives the insertion rod 15 fixedly connected with the sliding block to move upwards, and the top end of the insertion rod 15 penetrates through the first through hole 24 and is gradually inserted into the insertion hole 7. At the same time, the spring 18 is stretched to form a downward spring force. When the sliding block 19 contacts with the top groove wall of the sliding groove 14, the sliding block 19 cannot move upwards continuously, at the moment, the position of the connecting hole 16 just corresponds to the position of the fixing hole 8, and the second fastening bolt 17 penetrates into the fixing hole 8 and the connecting hole 16, so that the inserted rod 15 is fixedly connected with the first annular side plate 4. Under the effect of the resilience of spring 18, make inserted bar 15 keep having the trend of downward movement, inserted bar 15 drives first annular sideboard 4 and keeps having the trend of pushing down, guarantees that the bottom of first annular sideboard 4 closely laminates on the top of second annular connecting plate 12, and the bottom of first annular connecting plate 5 closely laminates on the top of second annular sideboard 9 to further promote the stability of being connected and the leakproofness between kuppe 2 and the rainwater fill body 1.

Similarly, when the air guide sleeve 2 needs to be disassembled, the first fastening bolt 11 is firstly screwed off, then the second fastening bolt 17 is screwed off, and the inserted rod 15 automatically moves downwards under the action of the rebounding force of the spring 18 and retracts into the sliding hole 13. The utility model discloses can promote the stability of being connected and the leakproofness between kuppe 2 and the rainwater fill body 1.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a novel hydrocone type rainwater fill, includes rainwater fill body (1), kuppe (2) and rainwater fill tail pipe (3), be equipped with rectifier baffle (30) in rainwater fill body (1), rainwater fill tail pipe (3) communicate in the bottom of rainwater fill body (1), kuppe (2) lock in the top of rainwater fill body (1), its characterized in that:

a first annular side plate (4) is fixed at the bottom end edge position of the air guide sleeve (2), a first annular connecting plate (5) is fixed at the bottom end inner side of the first annular side plate (4), the first annular connecting plate (5) is flush with the inner side wall of the first annular side plate (4), a first threaded through hole (6) is longitudinally formed in the first annular side plate (4) and the first annular connecting plate (5) in a penetrating mode, an inserting hole (7) and a fixing hole (8) are formed in one end, deviating from the first threaded through hole (6), of the first annular side plate (4), the inserting hole (7) longitudinally penetrates through the first annular side plate (4), the fixing hole (8) is communicated with the inserting hole (7), and the axes of the fixing hole and the inserting hole are perpendicular to each other;

the rainwater hopper is characterized in that a second annular side plate (9) is fixed at the top end edge position of the rainwater hopper body (1), the second annular side plate (9) is flush with the inner side wall of the first annular connecting plate (5), the top end of the second annular side plate (9) is attached to the bottom end of the first annular connecting plate (5), a thread counter bore (10) corresponding to the position of the first thread through hole (6) is formed in the top end of the second annular side plate (9), a first fastening bolt (11) penetrates through the first thread through hole (6) and the thread counter bore (10), a second annular connecting plate (12) is fixed at the top end outer side of the second annular side plate (9), the second annular connecting plate (12) is flush with the outer side wall of the first annular side plate (4), the inner side wall of the second annular connecting plate (12) is attached to the outer side wall of the first annular connecting plate (5), the top end of the second annular connecting plate (12) is attached to the bottom end of the first annular side plate (4), the top end of the second annular connecting plate (12) is provided with the top end of the first annular side plate (7), a sliding hole (13) corresponding to the position of the inserting hole (13) formed in the inserting hole (13), and a sliding rod (15) is arranged on the top end of the second annular connecting plate (13), and a sliding rod (13) is inserted into the sliding rod (13) inserted into the sliding hole (13), and a sliding rod (8) inserted into the sliding chute (13) and a sliding rod (13) is arranged in the sliding hole (13) and a sliding rod (13) is arranged on the sliding chute (13), a second fastening bolt (17) penetrates through the fixing hole (8) and the connecting hole (16), a spring (18) is fixedly connected between the bottom end of the inserted bar (15) and the inner bottom wall of the sliding hole (13), the spring (18) is in a stretched state, a sliding block (19) moving along the sliding groove (14) is fixed on the outer side wall of the inserted bar (15), and one end of the sliding block (19) penetrates out of the second annular connecting plate (12) through the sliding groove (14).

2. The new siphonic rainwater hopper according to claim 1, wherein: the bottom end of the first annular connecting plate (5) is provided with a limiting groove (20), the first threaded through hole (6) is communicated with the limiting groove (20), the top end of the second annular side plate (9) is fixedly provided with a limiting rod (21) used for being inserted into the limiting groove (20), the limiting rod (21) is longitudinally provided with a second threaded through hole (22) corresponding to the threaded counter bore (10) in a penetrating mode, and the first fastening bolt (11) sequentially penetrates through the first threaded through hole (6) and the second threaded through hole (22) and is inserted into the threaded counter bore (10).

3. The new siphonic rainwater hopper according to claim 1 wherein: a first sealing gasket (23) is arranged between the bottom end of the first annular side plate (4) and the top end of the second annular connecting plate (12), and a first through hole (24) through which the inserting rod (15) can penetrate is formed in the first sealing gasket (23).

4. The new siphonic rainwater hopper according to claim 1 wherein: a second sealing gasket (25) is arranged between the top end of the second annular side plate (9) and the bottom end of the first connecting plate, and a second through hole (26) through which the limiting rod (21) can pass is formed in the second sealing gasket (25).

5. The new siphonic rainwater hopper according to claim 1 wherein: the outside cover of spring (18) is equipped with stop collar (27), stop collar (27) include inner tube (28) and outer tube (29), the top of inner tube (28) and the bottom fixed connection of inserted bar (15), the bottom of inner tube (28) is inserted in outer tube (29) and is slided in outer tube (29), the bottom of outer tube (29) and the interior diapire fixed connection of slide opening (13).

6. The new siphonic rainwater hopper according to claim 1 wherein: the spring (18) is made of stainless steel materials.